import           Test.Hspec
import           Azubi
import           Azubi.Core.Interpreter
import           Azubi.Core.Interpreter.LocalUnixInterpreter
import           System.Directory

verbosity :: Verbosity
verbosity = Verbose

main :: IO ()
main =
  hspec $ do
    describe "whatIsBehind' should identify" $ do
      it "a Folder as IsFolder" $ do
        folderType <- whatIsBehind' pathOfFolder
        folderType `shouldBe` IsFolder
      it "a File as IsFile" $ do
        folderType <- whatIsBehind' pathOfFile
        folderType `shouldBe` IsFile
      it "a Link as IsSymlink " $ do
        folderType <- whatIsBehind' pathOfLink
        folderType `shouldBe` IsSymlink "./file"
      it "a Folder Link as IsSymlink " $ do
        folderType <- whatIsBehind' folderLinkPath
        folderType `shouldBe` IsSymlink "./folder"
      it "~/.cabal as IsFolder" $ do
        folderType <- whatIsBehind' "~/.cabal"
        folderType `shouldBe` IsFolder
      it "/usr as IsFolder" $ do
        folderType <- whatIsBehind' "/usr"
        folderType `shouldBe` IsFolder
      it "/donotexist as DoesNotExist" $ do
        noneType <- whatIsBehind' "/donotexist"
        noneType `shouldBe` DoesNotExist
    describe "folderExists should" $ do
      it "return a recursive folder existing check chain" $ do
        folderExists "/one/two" `shouldBe`
          States
            [FolderExists "/one/two"]
            [ States
                [FolderExists "/one"]
                [ State
                    [Not (DoesExist "/one")]
                    [Remove "/one"]
                    (Just "delete folder : /one")
                , State [SkipChecks] [CreateFolder "/one"] (Just "create /one")
                ]
                Nothing
            , States
                [FolderExists "/one/two"]
                [ State
                    [Not (DoesExist "/one/two")]
                    [Remove "/one/two"]
                    (Just "delete folder : /one/two")
                , State
                    [SkipChecks]
                    [CreateFolder "/one/two"]
                    (Just "create /one/two")
                ]
                Nothing
            ]
            Nothing
        folderExists "/one/two/three" `shouldBe`
          States
            [FolderExists "/one/two/three"]
            [ States
                [FolderExists "/one"]
                [ State
                    [Not (DoesExist "/one")]
                    [Remove "/one"]
                    (Just "delete folder : /one")
                , State [SkipChecks] [CreateFolder "/one"] (Just "create /one")
                ]
                Nothing
            , States
                [FolderExists "/one/two"]
                [ State
                    [Not (DoesExist "/one/two")]
                    [Remove "/one/two"]
                    (Just "delete folder : /one/two")
                , State
                    [SkipChecks]
                    [CreateFolder "/one/two"]
                    (Just "create /one/two")
                ]
                Nothing
            , States
                [FolderExists "/one/two/three"]
                [ State
                    [Not (DoesExist "/one/two/three")]
                    [Remove "/one/two/three"]
                    (Just "delete folder : /one/two/three")
                , State
                    [SkipChecks]
                    [CreateFolder "/one/two/three"]
                    (Just "create /one/two/three")
                ]
                Nothing
            ]
            Nothing
        folderExists "~/one/two/three" `shouldBe`
          States
            [FolderExists "~/one/two/three"]
            [ States
                [FolderExists "~/one"]
                [ State
                    [Not (DoesExist "~/one")]
                    [Remove "~/one"]
                    (Just "delete folder : ~/one")
                , State
                    [SkipChecks]
                    [CreateFolder "~/one"]
                    (Just "create ~/one")
                ]
                Nothing
            , States
                [FolderExists "~/one/two"]
                [ State
                    [Not (DoesExist "~/one/two")]
                    [Remove "~/one/two"]
                    (Just "delete folder : ~/one/two")
                , State
                    [SkipChecks]
                    [CreateFolder "~/one/two"]
                    (Just "create ~/one/two")
                ]
                Nothing
            , States
                [FolderExists "~/one/two/three"]
                [ State
                    [Not (DoesExist "~/one/two/three")]
                    [Remove "~/one/two/three"]
                    (Just "delete folder : ~/one/two/three")
                , State
                    [SkipChecks]
                    [CreateFolder "~/one/two/three"]
                    (Just "create ~/one/two/three")
                ]
                Nothing
            ]
            Nothing
    describe "basic functions" $ do
      it "testing should be set up properly" $ do
        removePathForcibly dynamicFolderPath
        folderType <- whatIsBehind' dynamicFolderPath
        folderType `shouldBe` DoesNotExist
      it "should create a file" $ do
        let file = (dynamicSubPath "file")
        executeIt [content file ["test"]]
        folderType <- whatIsBehind' file
        folderType `shouldBe` IsFile
      it "should create a folder" $ do
        let folder = (dynamicSubPath "folder")
        executeIt [folderExists folder]
        folderType <- whatIsBehind' folder
        folderType `shouldBe` IsFolder
      it "should create a folder even if it is a file" $ do
        let folder = (dynamicSubPath "should/be_a_folder")
        executeIt [content folder ["test"]]
        executeIt [folderExists folder]
        folderType <- whatIsBehind' folder
        folderType `shouldBe` IsFolder
      it "should create a file even if it is a folder" $ do
        let file = (dynamicSubPath "should/be_a_file")
        executeIt [folderExists file]
        executeIt [content file ["test"]]
        folderType <- whatIsBehind' file
        folderType `shouldBe` IsFile
    describe "preProcessState should" $ do
      it "replace ~ in paths" $ do
        home <- getHomeDirectory
        home `shouldNotBe` "~"
        state <-
          prePorcessState (UnixSystem verbosity) $
          State [FolderExists "~/test"] [CreateFolder "~/test"] Nothing
        state `shouldBe`
          State
            [FolderExists $ home ++ "/test"]
            [CreateFolder $ home ++ "/test"]
            Nothing
  -- run
    describe "run once should" $ do
      it "create a file for a successful command" $ do
        beforeFile <- whatIsBehind' $ dynamicSubPath "run-once-success"
        beforeFile `shouldBe` DoesNotExist
        executeIt [run (Once "exit" ["0"] $ dynamicSubPath "run-once-success")]
        resultFile <- whatIsBehind' $ dynamicSubPath "run-once-success"
        resultFile `shouldBe` IsFile
      it "create no file for a failed command" $ do
        beforeFile <- whatIsBehind' $ dynamicSubPath "run-once-failure"
        beforeFile `shouldBe` DoesNotExist
        executeIt [run (Once "exit" ["1"] $ dynamicSubPath "run-once-failure")]
        resultFile <- whatIsBehind' $ dynamicSubPath "run-once-failure"
        resultFile `shouldBe` DoesNotExist
    describe "run which-creates should" $ do
      it "should run if outcome file does not exist" $ do
        beforeFile <- whatIsBehind' $ dynamicSubPath "run-which-creates-success"
        beforeFile `shouldBe` DoesNotExist
        executeIt
          [ run
              (WithResults
                 "touch"
                 [dynamicSubPath "run-which-creates-success"]
                 [Creates $ dynamicSubPath "run-which-creates-success"])
          ]
        resultFile <- whatIsBehind' $ dynamicSubPath "run-which-creates-success"
        resultFile `shouldBe` IsFile
      it "should not run if outcome file does exist" $ do
        beforeFile <- whatIsBehind' $ dynamicSubPath "run-which-creates-success"
        beforeFile `shouldBe` IsFile
        executeIt
          [ run
              (WithResults
                 "touch"
                 [dynamicSubPath "run-which-creates-failure"]
                 [Creates $ dynamicSubPath "run-which-creates-success"])
          ]
        resultFile <- whatIsBehind' $ dynamicSubPath "run-which-creates-failure"
        resultFile `shouldBe` DoesNotExist

executeIt :: [State] -> IO ()
executeIt = execute (LocalContext $ UnixSystem verbosity)

dynamicFolderPath :: String
dynamicFolderPath = "./dynamic-test-folder"

dynamicSubPath :: String -> String
dynamicSubPath path = dynamicFolderPath ++ "/" ++ path

pathOfFolder :: String
pathOfFolder = "./test-resources/folder"

pathOfFile :: String
pathOfFile = "./test-resources/file"

pathOfLink :: String
pathOfLink = "./test-resources/filelink"

folderLinkPath :: String
folderLinkPath = "./test-resources/folderlink"